Package: butcher 0.3.6
Check: tests, Result: ERROR
    Running ‘testthat.R’
  Running the tests in ‘tests/testthat.R’ failed.
  Last 13 lines of output:
     5.     └─butcher:::axe_env.xgb.Booster(res$xgb, ...)
    ── Error ('test-xrf.R:58:3'): xrf + predict() works ────────────────────────────
    Error in `x$callbacks <- purrr::map(x$callbacks, function(x) as.function(c(formals(x), 
        body(x)), env = rlang::base_env()))`: ALTLIST classes must provide a Set_elt method [class: XGBAltrepPointerClass, pkg: xgboost]
    Backtrace:
        ▆
     1. └─butcher::butcher(res) at test-xrf.R:58:3
     2.   ├─butcher::axe_env(x, verbose = FALSE, ...)
     3.   └─butcher:::axe_env.xrf(x, verbose = FALSE, ...)
     4.     ├─butcher::axe_env(res$xgb, ...)
     5.     └─butcher:::axe_env.xgb.Booster(res$xgb, ...)
    
    [ FAIL 4 | WARN 17 | SKIP 35 | PASS 196 ]
    Error: Test failures
    Execution halted
